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You searched for: subject:"switchboards"
[texts]Good panelboard practice. - Superior Switchboard & Devices Company
47 p. : ill. ; 28 cm., trade catalog
Keywords: panelboards; Division 25; switchboards
Downloads: 143
[texts]Edwards telephone systems and devices catalog no. 12. - Edwards and Co. Inc.
40 p., ill., 26 cm., trade catalogs
Keywords: telephones -- catalogs; Division 27; switchboards
Downloads: 58
[texts]Descriptive catalogue and price list of the Bossert Electric Construction Co. sole manufacturers of standard, iron armored, slate line ... - Bossert Electric Construction Co.
[ca. 31] p. : ill. ; 15 cm., trade catalog
Keywords: electricity; Division 26; switchboards; panelboards; electrical cabinets
Downloads: 74
[texts]Electrical Control and Distribution of a Modern Department Store - Walker Electric Company
Trade catalog, Text, Illus, Photographs, CCA ID: 90-B3236, 1910, 16 p, 28 cm
Keywords: panelboards; benchboards; switchboards; Division 26; Electrical; Low-Voltage Electrical Transmission; Switchboards and Panelboards
Downloads: 77
[texts]Theater Switchboards - Westinghouse Electric & Manufacturing Company
Trade catalog, Text, Illus, Photographs, CCA ID:90-B3627, ca.1930, 44 p, 27 cm
Keywords: Switchboards; Theatres; Lighting; Division 26; Electrical; Low-Voltage Electrical Transmission
Downloads: 173
[movies]Chinatown Telephone Operators and other scenes c 1920s - Shaping San Francisco
Silent footage from the Prelinger Archive, edited to focus on Chinatown, with a few seconds of Chinatown Telephone operators working their switchboards.
Keywords: Chinatown; Telephone operators; switchboards; San Francisco; 1920s
Downloads: 970
[texts]Catalogue général illustré en deux parties : première partie : sonneries et signaux électriques ... - E. Deschiens (Firm)
27 p. : ill. ; 24 cm. Trade Catalog
Keywords: electrical equipment and supplies -- catalogs; Division 26; switchboards; panelboards; low-voltage switchgear; door chimes
Downloads: 42
[texts]Catalogue Peru Electric Manufacturing Company ... carbon batteries, porcelain cut-outs, insulators and tubes. - Peru Electric Manufacturing Company
56 p. : ill. ; 21 cm. trade catalog
Keywords: electrical equipment and supplies; Division 26; battery equipment; batteries; switchboards and panelboards; fuses; enclosed circuit breakers
Downloads: 45
[texts]Ateliers de constructions électriques Vedovelli & Priestley : extrait du catalogue général. - Vedovelli & Priestley
v. : ill. ; 24 cm. Trade Catalogs.
Keywords: electric switchgear -- catalogs; Division 26; electric circuits; electric circuit-breakers; transfer switches; switchboards and panelboards; batteries
Downloads: 38
[texts]Standard Electrical Works, successors to Electrical Department of Post & Co., manufacturers of and dealers in electical goods, sole manufacturers of "Post's" magneto bells ... - Standard Electrical Works
32 p. : ill. ; 19 cm. Trade Catalog.
Keywords: electrical equipment and supplies; Division 26; switchboards and panelboards; battery equipment; batteries; battery racks; battery units
Downloads: 35
[texts]General Electric Company supplies - General Electric Co.
380 p. ; ill. ; 28 cm. ; trade catalog
Keywords: electrical equipment -- catalogs; Division 26; switchboards; panelboards; fuses; enclosed switches and circuit breakers
Downloads: 588
[texts]Knife switches and switch board fittings. - Zimdars & Hunt
80 p. : ill. ; 28 cm. Trade Catalog.
Keywords: electrical -- catalogs; Division 26; switchboards; panelboards; transfer switches; fuses; enclosed switches and circuit-breakers
Downloads: 58
[texts]Keystone Instrument. - Keystone Electrical Instrument Co.
26 p. : ill. ; 23 cm. trade catalog.
Keywords: electrical equipment-- catalogs; Division 26; low-voltage distribution equipment; switchboards; transfer switches; enclosed switches and circuit-breakers; electricity metering
Downloads: 66
[texts]Electric lighting plant, edco system : incandescent lighting, direct and with storage batteries : arc lighting ... - Electro-Dynamic Company of Philadelphia
32 p. : ill. ; 23 cm. Trade Catalogs.
Keywords: electrical switchgear -- catalogs; battery equipment -- catalogs; Division 26; transfer switches; switchboards and panelboards; switchgear; central battery equipment
Downloads: 41
[texts]The "Ediswan" abridged catalogue of lighting accessories. - Edison Swan Electric Co.
43 p. : ill. ; 28 cm. trade catalog.
Keywords: electrical equipment -- catalogs; Division 26; switchboards; panelboards; transfer switches; fuses; enclosed switches and circuit-breakers; wiring devices
Downloads: 94
[texts]Applications de l'ʹeclairage électrique - Ateliers Fabius Henrion
32 p. : ill. ; 24 cm. Trade Catalogs.
Keywords: electrical power equipment and supplies -- catalogs; Division 26; transfer switches; switchboards and panelboards; low-voltage switchgear; enclosed switches
Downloads: 71
[texts]Electrical equipment of a great group of office buildings : electric generating, distributing, motor and illuminating installations of the buildings of the Prudential Insurance Company at Newark, N.J. / by Henry C. Meyer and Bassett Jones. - Meyer, Henry C.
63 p., [ca. 21] leaves of plates (1 folded) : ill., plans ; 22 cm. Trade Catalogs.
Keywords: electrical equipment -- catalogs; Division 26; switchboards; wiring devices; medium-voltage electrical distribution; interior lighting fixtures, lamps, and ballasts
Downloads: 58
[texts]Lighting the Lister Way - R.A.Lister & Co
Trade catalog, Text, Illus, Photographs, CCA ID:95-B3214, ca.1915, 28 p, 23 cm
Keywords: Division 26; Electrical; Facility Electrical Power Generating and Storing Equipment; Instrumentation and Control for Electrical Systems; Switchboards; Controllers; Generators
Downloads: 384
[texts]Beschreibung der dynamomaschinen, bozenlampen und elektrischen apparate ... - Maschinenfabrik Esslingen.
56 p. : ill. ; 29 cm. Trade Catalogs.
Keywords: electric lighting -- catalogs; Division 26; interior lighting fixtures, lamps, and ballasts; switchboards and panelboards; power distribution units
Downloads: 102
[texts]Accumulators E.P.S. Faure-Sellon-Volckmar twin-electrodes. - French company electric accumulators (Faure-Sellon-Volckman)
42, [5] p. : ill. ; 25 cm. trade catalog.
Keywords: electrical equipment -- catalogs; Division 26; low-voltage switchgear; low voltage electrical power conductors and cables; enclosed switches and circuit breakers; switchboards and panel boards; electricity metering; wiring devices
Downloads: 51
[texts]TM 24-210 Army Administrative Telephone Switchboard - United States. War Department
CONTENTS SECTION I. GENERAL. Paragraph Page Scope 1 1 Service 2 2 Classification of telephones 3 3 Priority of signals 4 3 II. HANDLING CALLS. Answering signals 5 4 Answering a new call from a local line 6 4 Answering a new call from an incoming trunk 7 5 Answering a recall signal 8 5 Answering a one-cord disconnect signal 9 5 Acknowledging calls 10 6 Establishing connection to a local line 11 6 Establishing connection to a tie line connecting with another PBX switchboard 12 7 Establishing conne...
Keywords: WWII; Technical Manual; Military Telephone; World War, 1939-1945 -- Communications; United States. -- Army -- Telephone Switchboards -- Handbooks, Manuals, etc; World War, 1939-1945
Downloads: 49
[texts]Electrical instruments : circuit breakers : relays. - Roller-Smith Company
1 v. [ca. 160 p.] : ill. ; 24 cm. trade catalog.
Keywords: electrical equipment and supplies -- catalogs; Division 26; low-voltage switchgear; low voltage electrical power conductors and cables; enclosed switches and circuit breakers; switchboards; low-voltage transformers
Downloads: 293
[texts]Electrical measuring instruments. - Jewell Electrical Instruments Co.
112 p. : ill. ; 27 cm. trade catalog.
Keywords: electrical measuring instrumentation -- catalogs; Division 25; Division 26; integrated automation instrumentation and terminal devices for electrical systems; integrated automation power meters; integrated automation lighting relays; switchboards and panelboards
Downloads: 180
[texts]BSTJ 4: 4. October 1925: General Engineering Problems of the Bell System. (Charlesworth, H.P.)
Bell System Technical Journal, 4: 4. October 1925 pp 515-541. General Engineering Problems of the Bell System. (Charlesworth, H.P.)
Keywords: telephone; engineering; cable; toll; problems; system; plant; bell; bell system; switchboards; open wire; problems involved; engineering problems; toll cable; technical journal; central office; york city; system technical; trunk plan
Downloads: 37
[texts]FM 24-75 Telephone Switchboard Operating Procedure - United States. War Department
FM 24-75 Telephone Switchboard Operating Procedure 1944-11-21. CHAPTER l. TELEPHONE SWITCHBOARD OPERATOR. General 1 1 Courtesy 2 1 Accuracy 3 1 Speed 4 2 Secrecy 5 2 Definitions 6 2 CHAPTER 2. PROCEDURE COMMON TO ALL SWITCHBOARDS. Section I. Fundamental procedure. General 7 6 Line and trunk signals 8 6 Jacks and their uses 9 7 Cords and their uses 10 7 Technique of handling cords 11 7 Keys and their uses 12 8 Answering calls 13 8 Ringing 14 9 Progress reports 15 9 Busy calls 16 9 Slow answer and...
Keywords: WWII; Field Manual; US Army; United States. Army; World War II; United States. -- Army -- Telephone switchboards -- Handbooks, manuals, etc; World War, 1939-1945; United States. -- Army -- Handbooks, manuals, etc
Downloads: 157
[texts]TM 11-331 Switchboard BD-14, 1941 - United States. War Department
CONTENTS Section I. General uses and description. Paragraph Where used . , — 1 General description and capacity 2 II. Installation for service. Detailed description of parts-— 3 Preparing for service 4 III. Operation. Establishing^ connection > 5 Supervising a connection 6 Disconnecting 7 IV. Removing from service. Preparation for shipment and storage 8 V. Function of parts. Purpose of certain circuits 9 Operation of switchboard BD-14 10 VI...
Keywords: WWII; World War, 1939-1945; United States. Army; World War II; United States. -- Army -- Handbooks, Manuals, etc; Technical Manual; Telephone switchboards -- Handbooks, Manuals, etc; Field Manual; Military telephone -- United States -- Handbooks, Manuals, etc
Downloads: 26
[texts]Illustrated catalogue and price list of everything electrical. - Novelty Electric Company
136 p. : ill. ; 23 cm. trade catalog.
Keywords: electrical equipment and supplies -- catalogs; lighting -- catalogs; Division 26; switchboards; low-voltage switchgear; low-voltage electrical distribution equipment; door chimes; electricity metering; wiring devices; battery equipment; batteries; battery units; battery racks; electronic personal protection systems; electronic personal safety alarm annunciation and control systems; medium-voltage lightning arresters; lighting; interior lighting fixtures, lamps, and ballasts; gas lighting
Downloads: 176
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